主持国家自然科学青年基金、北京市自然科学青年基金（结题获批优秀）、中国博士后科学基金面上项目、太阳成集团tyc7111cc青年教师学科交叉项目、中央高校基本科研业务费等多项科研项目。同时还参与包括科技部973纳米专项、北京市科委重点项目、国家重点研发计划等课题研究。目前在Adv. Funct. Mater., Nano Energy, J. Mater. Chem. A, Carbon等期刊发表SCI论文三十余篇，获得授权发明专利十余项，担任J. Mater. Chem. A, RSC Adv.期刊审稿人。
代表性论文：
1. H. Wei, et al. Plasma-enhanced atomic layer deposition gallium nitride as electron transport layer for planar perovskite solar cells. Journal of Materials Chemistry A, 2019, 44, 25347.
2. H. Wei, et al. Fumed SiO2 modified electrolytes for quantum dot sensitized solar cells with efficiency exceeding 11% and better stability. Journal of Materials Chemistry A, 2016, 4, 14194.
3. H. Wei, et al. Free-standing flexible carbon electrode for highly efficient hole-conductor-free perovskite solar cells. Carbon, 2015, 93, 861.
4. H. Wei, et al. Interface modification for high-efficient quantum dot sensitized solar cells using ultrathin aluminum nitride coating. Applied Surface Science, 2019, 476, 608.
5. H. Wei, et al. Challenges and strategies of all-inorganic lead-free halide perovskite solar cells. Ceramics International, 2022, 48, 5876.
6. P. Qiu#, H. Wei#, et al. Plasma-enhanced atomic layer deposition of gallium nitride thin films on fluorine-doped tin oxide glass substrate for future photovoltaic application. Ceramics International, 2020, 46, 5765.
7. G. Wang, H. Wei, et al. Significantly enhanced energy conversion efficiency of CuInS2 quantum dot sensitized solar cells by controlling surface defects. Nano Energy, 2017, 35, 17.
8. H. Wei, et al. Recent progress of colloidal quantum dot based solar cells. Chinese Physics B, 2018, 27, 018808.
